973D Track-Type Loader Hydraulic System Caterpillar


Piston Pump

Usage:

973D LCP



Illustration 1g01927796

Rotation ... Clockwise

Rated speed ... 1900 rpm

Maximum displacement per revolution for the front pump ... 95 cc (5.8 cubic inch)

Maximum displacement per revolution for the rear pump ... 95 cc (5.8 cubic inch)

Maximum system pressure ... 28000 kPa (4061 psi)

Cut off pressure ... 30000 ± 350 kPa (4351 ± 51 psi)

Margin pressure ... 2000.0 ± 100.0 kPa (290.0 ± 14.4 psi)

(1) Torque for two bolts ... 176 N·m (130 lb ft)

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